Swedish Calendar Transition in 18th Century

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Swedish Calendar Transition in 18th Century

note

In Sweden, leap day (29 Feb) was skipped in 1700. It was planned to skip more 10 leap days every 4 year, to move to Gregorian calender in 1740, but from the next time (1704), leap day was not skipped actually. As a result, Swedish calendar was 1 day ahead than Julian calender. It lasted until 1712, when 30 February, Friday was inserted before 1 March, Saturday, to return to Julian Calendar.
At last in 1753, following day of 17 February, Wednesday (Julian Calendar) become 1 March, Thursday (Gregorian Calendar).

Conversion

Julian
Day
Day
of
Week
Julian
Calendar
Gregorian
Calendar
projected
Swedish
Calendar
actual
Swedish
Calendar
note
2341973 Fri 22 Dec 1699 1 Jan 1700 22 Dec 1699 22 Dec 1699
2341983 Mon 1 Jan 1700 11 Jan 1700 1 Jan 1700 1 Jan 1700
2342031 Sun 18 Feb 1700 28 Feb 1700 18 Feb 1700 18 Feb 1700
2342032 Mon 19 Feb 1700 1 Mar 1700 19 Feb 1700 19 Feb 1700
2342041 Wed 28 Feb 1700 10 Mar 1700 28 Feb 1700 28 Feb 1700
2342042 Thu 29 Feb 1700 11 Mar 1700 1 Mar 1700 1 Mar 1700 leap day was skipped
2342347 Mon 30 Dec 1700 10 Jan 1701 31 Dec 1700 31 Dec 1700
2342348 Tue 31 Dec 1700 11 Jan 1701 1 Jan 1701 1 Jan 1701
2342349 Wed 1 Jan 1701 12 Jan 1701 2 Jan 1701 2 Jan 1701
2342712 Tue 30 Dec 1701 10 Jan 1702 31 Dec 1701 31 Dec 1701
2342713 Wed 31 Dec 1701 11 Jan 1702 1 Jan 1702 1 Jan 1702
2342714 Thu 1 Jan 1702 12 Jan 1702 2 Jan 1702 2 Jan 1702
2343077 Wed 30 Dec 1702 10 Jan 1703 31 Dec 1702 31 Dec 1702
2343078 Thu 31 Dec 1702 11 Jan 1703 1 Jan 1703 1 Jan 1703
2343079 Fri 1 Jan 1703 12 Jan 1703 2 Jan 1703 2 Jan 1703
2343442 Thu 30 Dec 1703 10 Jan 1704 31 Dec 1703 31 Dec 1703
2343443 Fri 31 Dec 1703 11 Jan 1704 1 Jan 1704 1 Jan 1704
2343444 Sat 1 Jan 1704 12 Jan 1704 2 Jan 1704 2 Jan 1704
2343491 Thu 17 Feb 1704 28 Feb 1704 18 Feb 1704 18 Feb 1704
2343492 Fri 18 Feb 1704 29 Feb 1704 19 Feb 1704 19 Feb 1704
2343501 Sun 27 Feb 1704 9 Mar 1704 28 Feb 1704 28 Feb 1704
2343502 Mon 28 Feb 1704 10 Mar 1704 1 Mar 1704 29 Feb 1704 projected to skip leap day, but actually did not.
2343503 Tue 29 Feb 1704 11 Mar 1704 2 Mar 1704 1 Mar 1704
2344961 Thu 26 Feb 1708 8 Mar 1708 28 Feb 1708 27 Feb 1708
2344962 Fri 27 Feb 1708 9 Mar 1708 1 Mar 1708 28 Feb 1708
2344963 Sat 28 Feb 1708 10 Mar 1708 2 Mar 1708 29 Feb 1708 projected to skip leap day, but actually did not
2344964 Sun 29 Feb 1708 11 Mar 1708 3 Mar 1708 1 Mar 1708
2346421 Mon 25 Feb 1712 7 Mar 1712 28 Feb 1712 26 Feb 1712
2346422 Tue 26 Feb 1712 8 Mar 1712 1 Mar 1712 27 Feb 1712
2346423 Wed 27 Feb 1712 9 Mar 1712 2 Mar 1712 28 Feb 1712
2346424 Thu 28 Feb 1712 9 Mar 1712 3 Mar 1712 29 Feb 1712
2346425 Fri 29 Feb 1712 10 Mar 1712 4 Mar 1712 30 Feb 1712 insert another leap day
2346426 Sat 1 Mar 1712 11 Mar 1712 5 Mar 1712 1 Mar 1712 return to Julian Calendar
2347881 Fri 24 Feb 1716 6 Mar 1716 28 Feb 1716 24 Feb 1716
2347882 Sat 25 Feb 1716 7 Mar 1716 1 Mar 1716 25 Feb 1716
2347885 Tue 28 Feb 1716 10 Mar 1716 4 Mar 1716 28 Feb 1716
2347886 Wed 29 Feb 1716 11 Mar 1716 5 Mar 1716 29 Feb 1716
2347887 Thu 1 Mar 1716 12 Mar 1716 6 Mar 1716 1 Mar 1716
2349341 Tue 23 Feb 1720 5 Mar 1720 28 Feb 1720 23 Feb 1720
2349342 Wed 24 Feb 1720 6 Mar 1720 1 Mar 1720 24 Feb 1720
2349346 Sun 28 Feb 1720 10 Mar 1720 5 Mar 1720 28 Feb 1720
2349347 Mon 29 Feb 1720 11 Mar 1720 6 Mar 1720 29 Feb 1720
2349348 Tue 1 Mar 1720 12 Mar 1720 7 Mar 1720 1 Mar 1720
2350801 Sat 22 Feb 1724 4 Mar 1724 28 Feb 1724 22 Feb 1724
2350802 Sun 23 Feb 1724 5 Mar 1724 1 Mar 1724 23 Feb 1724
2350807 Fri 28 Feb 1724 10 Mar 1724 6 Mar 1724 28 Feb 1724
2350808 Sat 29 Feb 1724 11 Mar 1724 7 Mar 1724 29 Feb 1724
2350809 Sun 1 Mar 1724 12 Mar 1724 8 Mar 1724 1 Mar 1724
2352261 Wed 21 Feb 1728 3 Mar 1728 28 Feb 1728 21 Feb 1728
2352262 Thu 22 Feb 1728 4 Mar 1728 1 Mar 1728 22 Feb 1728
2352268 Wed 28 Feb 1728 10 Mar 1728 7 Mar 1728 28 Feb 1728
2352269 Thu 29 Feb 1728 11 Mar 1728 8 Mar 1728 29 Feb 1728
2352270 Fri 1 Mar 1728 12 Mar 1728 9 Mar 1728 1 Mar 1728
2353721 Sun 20 Feb 1732 2 Mar 1732 28 Feb 1732 20 Feb 1732
2353722 Mon 21 Feb 1732 3 Mar 1732 1 Mar 1732 21 Feb 1732
2353729 Mon 28 Feb 1732 10 Mar 1732 8 Mar 1732 28 Feb 1732
2353730 Tue 29 Feb 1732 11 Mar 1732 9 Mar 1732 29 Feb 1732
2353731 Wed 1 Mar 1732 12 Mar 1732 10 Mar 1732 1 Mar 1732
2355181 Thu 19 Feb 1736 1 Mar 1736 28 Feb 1736 19 Feb 1736
2355182 Fri 20 Feb 1736 2 Mar 1736 1 Mar 1736 20 Feb 1736
2355190 Sat 28 Feb 1736 10 Mar 1736 9 Mar 1736 28 Feb 1736
2355191 Sun 29 Feb 1736 11 Mar 1736 10 Mar 1736 29 Feb 1736
2355192 Mon 1 Mar 1736 12 Mar 1736 11 Mar 1736 1 Mar 1736
2356641 Mon 18 Feb 1740 29 Feb 1740 28 Feb 1740 18 Feb 1740
2356642 Tue 19 Feb 1740 1 Mar 1740 1 Mar 1740 19 Feb 1740 projected completion of transition to Gregorian Calendar
2356651 Thu 28 Feb 1740 10 Mar 1740 10 Mar 1740 28 Feb 1740
2356652 Fri 29 Feb 1740 11 Mar 1740 11 Mar 1740 29 Feb 1740
2356653 Sat 1 Mar 1740 12 Mar 1740 12 Mar 1740 1 Mar 1740
2358103 Sun 19 Feb 1744 1 Mar 1744 1 Mar 1744 19 Feb 1744
2359564 Fri 19 Feb 1748 1 Mar 1748 1 Mar 1748 19 Feb 1748
2361025 Wed 19 Feb 1752 1 Mar 1752 1 Mar 1752 19 Feb 1752
2361389 Wed 17 Feb 1753 28 Feb 1753 28 Feb 1753 17 Feb 1753
2361390 Thu 18 Feb 1753 1 Mar 1753 1 Mar 1753 1 Mar 1753 transferred to Gregorian Calendar

reference